Speaker shelf



FIG. 1 is a perspective view of a speaker shelf.

FIG. 2 is another perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a side view thereof.

FIG. 6 is an opposite side view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines represent portions of the speaker shelf that form no part of the claimed design. 

CLAIM The ornamental design for a speaker shelf, as shown and described. 